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  2. Citicorp Center engineering crisis - Wikipedia

    en.wikipedia.org/wiki/Citicorp_Center...

    [9] [11] The building was dedicated on October 12, 1977. [12] [13] As part of Citicorp Center's construction, a new building for the site's previous occupant, St. Peter's Lutheran Church, was erected at the site's northwest corner; by agreement, it was supposed to be separate from the main tower.

  3. Willis Tower - Wikipedia

    en.wikipedia.org/wiki/Willis_Tower

    The Willis Tower, originally and still commonly referred to as the Sears Tower, is a 110-story, 1,451-foot (442.3 m) skyscraper in the Loop community area of Chicago in Illinois, United States. Designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings & Merrill (SOM), it opened in 1973 as the world's tallest ...

  4. 53W53 - Wikipedia

    en.wikipedia.org/wiki/53W53

    The tower was halfway completed by September 2017, with the superstructure having reached the 58th story. [18] [112] Much of the superstructure and facade were in place by the beginning of the following year. [113] The building officially topped out in June 2018, [114] [115] and the final spire was installed in late December 2018. [116]

  5. Central Park Tower - Wikipedia

    en.wikipedia.org/wiki/Central_Park_Tower

    Central Park Tower is a residential supertall skyscraper at 225 West 57th Street, along Billionaires' Row, in the Midtown Manhattan neighborhood of New York City, New York, U.S. Designed by Adrian Smith + Gordon Gill Architecture, the building rises 1,550 feet (472.4 m) with 98 above-ground stories and three basement stories, although the top story is numbered 136.

  6. 56 Leonard Street - Wikipedia

    en.wikipedia.org/wiki/56_Leonard_Street

    The building has a total of ten elevators; owners will share a hallway with at most one other apartment. The developers also figured a generator on the ninth floor into the plans. [14] There are eight full-floor apartments at the top, ranging from 5,200 to 6,400 sq ft (480 to 590 m 2), with 14-to-19 ft-high (4.3-to-5.8 m) ceilings. [14]

  7. List of tallest buildings - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_buildings

    The first building considered to be a skyscraper was the 138 ft (42.1 m) Home Insurance Building, built in Chicago in 1885. The United States would remain the location of the world's tallest building throughout the 20th century until 1998, when the Petronas Towers were completed.

  8. List of tallest towers - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_towers

    The Tokyo Skytree in Tokyo, Japan has been the tallest tower since 2012.. This list includes extant structures that fulfill the engineering definition of a tower: "a tall human structure, always taller than it is wide, for public or regular operational access by humans, but not for living in or office work, and which is self-supporting or free-standing, meaning no guy-wires for support."

  9. World Trade Center controlled demolition conspiracy theories

    en.wikipedia.org/wiki/World_Trade_Center...

    Aerial view of the debris field of the North Tower, 6 WTC, and 7 WTC (upper right). The damaged Verizon Building can be seen left of WTC 7's ruins.. Some conspiracy theories contend that the collapse of the World Trade Center was caused not solely by the airliner crash damage that occurred as part of the September 11 attacks and the resulting fire damage but also by explosives installed in the ...